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Our academic work on fist instance appears in the Bangor Business School Working Paper Series where Professor Nikolopoulos is currently the Editor-in-Chief; the series is republished in REPEC. For the entire range of our work to September 2015 see the following list (papers available upon request):

 SELECTED RESEARCH OUTPUTS

DEMAND FORECASTING & PREDICTIVE ANALYTICS

[1].  Nikolopoulos, K., Buxton, S., Khammash, M., and Stern, P. (2015) “Forecasting Branded and Generic Pharmaceuticals”, International Journal of Forecasting, forthcoming

[2].  Syntetos, A., Babai, Z.M., Boylan, J., Kolassa, S. and Nikolopoulos, K. (2015). “Supply Chain Forecasting: Theory, Practice, their Gap and the Future”, European Journal of Operational Research, forthcoming

[3].  Thomakos, D.D. and Nikolopoulos, K. (2015). “Forecasting multivariate time series with the Theta Method”, Journal of Forecasting 34(3): 220-229.

[4].  Thomakos, D.D. and Nikolopoulos, K. (2014) “Fathoming the Theta Method for a Unit Root Process”, Oxford Journal of Management Mathematics 25 (1): 105-124.

[5].  Petropoulos, F., Makridakis, S., Assimakopoulos, V. and Nikolopoulos, K. (2014) “‘Horses for Courses’ in demand forecasting”, European Journal of Operational Research 237 (1): 152-163.

[6].  Nikolopoulos, K. and Fildes, R. (2013). “Adjusting supply chain forecasts for short-term Temperature estimates: a Case study in a Brewing company”, Oxford Journal of Management Mathematics 24(1): 79-88.

[7].  Petropoulos, F., Nikolopoulos, K., Spithourakis, G.P. and Assimakopoulos, V. (2013), “Empirical Heuristics for Improving Supply Chain Forecasting for intermittent demand SKUs”, Industrial Management and Data Systems 113(5): 683-696.

[8].  Babai, M.Z., Ali, M. and Nikolopoulos, K. (2012) “Impact of Temporal Aggregation on Stock Control Performance of Intermittent Demand Estimators: Empirical Analysis”, OMEGA: The International Journal of Management Science 40: 713–721.

[9].  Nikolopoulos, K., Assimakopoulos, V.,  Bougioukos, N., Litsa , A. and Petropoulos, F. (2012), “The Theta model: An essential forecasting tool For Supply Chain planning”, Springer-Verlag/ Lecture Notes in Electrical Engineering 123: 431-437.

[10].        Spithourakis, G.P., Petropoulos, F., Babai, M.Z., Nikolopoulos, K. and Assimakopoulos, V., (2011), “Improving the performance of popular supply chain forecasting techniques: an empirical investigation”, Supply Chain Forum: an international journal 12(4): 16-25.

[11].        Nikolopoulos, K., Syntetos, A., Boylan, J., Petropoulos, F. and Assimakopoulos, V.  (2011). “ADIDA: An aggregate/disaggregate approach for intermittent demand forecasting”, Journal of the Operational Research Society 62: 544-554.

[12].        Crone, S. F., Hibon, M. and Nikolopoulos, K.  (2011) “Advances in forecasting with neural networks? Empirical evidence from the NN3 competition on time series prediction”, International Journal of Forecasting 27 (3): 635-660.

[13].         Nikolopoulos, K. (2010) "Forecasting with quantitative methods: the impact of special events in time series". Applied Economics 42: 947–955.

[14].        Syntetos, A.A., Nikolopoulos, K. and Boylan, J. (2010) “Judging the judges through accuracy-implication metrics: the case of inventory forecasting”, International Journal of Forecasting 26 (1): 134-143. [Times Cited: 10]

[15].         Syntetos, A.A., Nikolopoulos, K., Boylan, J., Fildes, R. and Goodwin, P. (2009). “The effects of integrating management judgment into intermittent demand forecasts”, International Journal of Production Economics 118: 72-81. [Times Cited: 27]

[16].        ++ Fildes, R., Goodwin, P., Lawrence, M. and Nikolopoulos, K. (2009), "Effective forecasting for supply-chain planning:  an empirical evaluation and strategies for improvement”, International Journal of Forecasting 25 (1): 3-23 [Times Cited: 43]

The most cited article in the journal since 2008

[17].        Fildes, R., Goodwin, P., Lawrence, M. and Nikolopoulos, K. (2009), “Reply to Commentaries by Flores, Önkal and Sanders”, International Journal of Forecasting 25 (1): 32-34

[18].         Babai, M., Syntetos, A.A., Dallery, Y., and Nikolopoulos, K. (2009) "Dynamic Re-order Point Inventory Control with Lead-Time Uncertainty: Analysis and Empirical Investigation" International Journal of Production Research 47 (9): 2461–2483. [Times Cited: 10]

[19].         Fildes, R., Nikolopoulos, K., Crone, S., and Syntetos, A. (2008) "Forecasting and Operational Research – a Review". Journal of the Operational Research Society 59: 1150–1172. [Times Cited: 54]

[20].         + Nikolopoulos, K., Goodwin, P., Patelis, A. and Assimakopoulos, V.  (2007), "Forecasting with cue information: a comparison of multiple regression with alternative forecasting approaches". European Journal of Operational Research 180(1): 354-368. [Times Cited: 20]

[21].         Nikolopoulos, K., Bougioukos, N, Giannelos, K., Assimakopoulos, A. (2007) "Estimating the impact of shocks with Artificial Neural Networks". Springer-Verlag/ Lecture Notes in Computer Science 4669: 516–526

[22].         Pagourtzi, E., Metaxiotis, K., Nikolopoulos, K., Giannelos, K. and Assimakopoulos, V. (2007) “Real estate valuation with Artificial Intelligence approaches”, in the Special Issue on "30 Years of Applied Research in Artificial Intelligence: New Promises Towards the Internet Age" of the International Journal of Intelligent Systems Technologies and Applications,  Vol 2 (1): 50-57.

[23].        Fildes, R. and Nikolopoulos, K. (2006) "Spyros Makridakis: An Interview with the International Journal of Forecasting". International Journal of Forecasting 22(3): 625-636. [Times Cited: 4]

[24].        Assimakopoulos, V. and Nikolopoulos, K. (2000). "The Theta Model: A Decomposition Approach to Forecasting", International Journal of Forecasting 16 (4): 521-530. [Times Cited: 43]

FORECASTING SUPPORT SYSTEMS

[25].         Spithourakis, G., Petropoulos, F., Nikolopoulos, K. and Assimakopoulos, V. (2015) “Amplifying the learning effect via a specialized Forecasting & Foresight Support System”, International Journal of Forecasting 31(1): 20-32.

[26].         Spithourakis,, G.P., Petropoulos, F., Nikolopoulos, K. and Assimakopoulos, V., (2014). “A systemic view of the ADIDA framework”, Oxford Journal of Management Mathematics 25(2): 125-137.

[27].         Nikolopoulos, K., Litsa, A., Petropoulos, F., Metaxiotis, K. and Assimakopoulos, V. (2012) “A web Forecasting System supporting Policy implementation: the case of ‘Digital Planning’ in Greece”, International Journal of Business Information Systems, Vol 11 (4): 397-409.

[28].        + Lee, W.Y., Goodwin, P,Fildes, R., Nikolopoulos, K. and Lawrence, M. (2007) “Providing support for the use of analogies in demand forecasting tasks”. International Journal of Forecasting 23 (3): 377-390 [Times Cited: 12]

[29].        + Goodwin, P.,Fildes, R., Lawrence, M. and Nikolopoulos, K. (2007) “The process of using a Forecasting Support system”. International Journal of Forecasting 23 (3): 391-404 [Times Cited: 4]

[30].         Pagourtzi, E., Nikolopoulos, K. and Assimakopoulos, V. (2006). "Architecture for a real estate analysis information system using GIS techniques integrated with Fuzzy theory", Journal of the Property Investment and Finance 24 (1):68-78. Winner of the 2005 EFG Eurobank-Propindex SA Prize for the Best Paper on Balkan Real Estate

[31].         Petropoulos, C., Nikolopoulos, K. Patelis, A., Assimakopoulos, V. and Askounis, D. (2006) “Tourism Technical Analysis System”. Tourism Economics 12 (4): 543-563.

[32].         Nikolopoulos, K., Metaxiotis, K. and Assimakopoulos, V. (2006) “eforecasting: challenges and opportunities”, in the Special Issue on "E-business in 21st Century Environments" of the International Journal of Business Performance Management 8(1) : 93-106

[33].         Maris, K., Metaxiotis, K., Pantou, G., Nikolopoulos, K., Tavanidou, E. and Assimakopoulos, V. (2004). “D-TIFIS: A decision support system for options trading”, Information Management & Computer Security 12 (1): 45-65.

[34].         Petropoulos, C., Patelis, A., Metaxiotis, K., Nikolopoulos, K. and Assimakopoulos, V. (2003). “SFTIS: A decision support system for tourism demand forecasting”, Journal of Computer Information Systems 44 (1) 21-32. [Times Cited: 8]

[35].         Nikolopoulos, K. and Assimakopoulos, V. (2003). “Theta Intelligent Forecasting Information System”, Industrial Management and Data Systems 103 (9): 711-726. [Times Cited: 16]

[36].         Nikolopoulos, K., Metaxiotis, K., Lekatis, N. and Assimakopoulos, V. (2003). "Integrating Industrial Maintenance Strategy into ERP", Industrial Management and Data Systems 103 (3): 184-191. [Times Cited: 15]

[37].         Patelis, A., Nikolopoulos, K., Metaxiotis, K. and Assimakopoulos, V. (2003). "FORTV: Decision Support System for Forecasting Television Viewership", Journal of Computer Information Systems 43 (4): 100-107. [Times Cited: 1]

[38].         Tavanidou, E., Nikolopoulos, K., Metaxiotis, K. and Assimakopoulos, V. (2003). “eTIFIS: An innovative e-Forecasting Web application”, International Journal of Software Engineering and Knowledge Engineering 13 (2): 215-236.

[39].         Nikolopoulos, K., Metaxiotis, K., Assimakopoulos, V. and Tavanidou, E. (2003). “A First Approach to E-Forecasting: A Survey of Forecasting Web-Services”, Information Management & Computer Security11 (3): 146-152.

FORESIGHT, STRATEGY & LEADERSHIP  

[40].         Bamiatzi, V., Jones, S., Mitchelmore, S., and Nikolopoulos, K. (2015), "The Role of Competencies in Shaping the Leadership Style of Female Entrepreneurs", Journal of Small Business Management,forthcoming Advance online, Article first published online: 5 May 2015, DOI: 10.1111/jsbm.12173

[41].         Nikolopoulos, K.,  Litsa, A., Petropoulos, F., Bougioukos, V. and Khammash, M. (2015), “Relative performance of methods for forecasting Special Events”, Journal of Business Research 68: 1785-1791.

[42].        ++ Savio, N. and Nikolopoulos, K. (2013) “A Strategic Forecasting Framework for Governmental Decision Making and Planning", International Journal of Forecasting 29 (2): 311–321.

[43].         Savio, N.D. and Nikolopoulos, K.  (2010)  “Forecasting the Effectiveness of Policy Implementation Strategies”, International Journal of Public Administration   33(2): 88 – 97.

[44].         Savio, N.D. and Nikolopoulos, K.  (2009)  “Forecasting Effectiveness of Policy Implementation Strategies: working with semi-experts”, Foresight 11(6): 86-93.

[45].         Savio, N.D. and Nikolopoulos, K.  (2009)  “Forecasting the Economic Impact of New Environmental Policies”, Foresight 11(2) : 7-18

FORECASTING IN FINANCE & ECONOMICS

[46].         Monokrousos, P., Thomakos, D.D. and Nikolopoulos, K. (Editors) (2016), Greece: the challenge of dealing with corporate and household insolvency in the post-crisis period, Hellenic Bank Association Scientific Council & Palgrave Studies in Banking and Financial Institutions – Edited Volume (Book)

[47].         Chakravarty, S.P., Thomakos, D.D. and Nikolopoulos, K. (2015) “Growth, de-regulation and rent-seeking in post-war British Economy”, REPEC/ BBS & RCEA Working paper, Applied Economics, forthcoming

[48].         Thomakos, D.D., Monokrousos, P. and Nikolopoulos, K. (Editors) (2015), A Financial Crisis Manual: Reflections and the Road Ahead, Palgrave Studies in Banking and Financial Institutions – Edited Volume (Book)

[49].         Bozos, K., Nikolopoulos, K. and Ramgandhic, G. (2011) "Dividend signalling under economic adversity: evidence from the London Stock Exchange, International Review of Financial Analysis 20(5): 364-374

[50].         ++ Bozos, K. and Nikolopoulos, K. (2011) “Forecasting the Value Effect of Seasoned Equity Offering Announcements", European Journal of Operational Research 214: 418–427

[51].         Bamiatzi, V., Bozos, K. and Nikolopoulos, K. (2010) “On the Predictability of Firm Performance via Simple Time-Series and Econometric Models: Evidence from U.K. SMEs”, Applied Economics Letters 17(03): 279 - 282.

[52].         Nikolopoulos, K. and Handrinos, M. (2008) “The future of credit unions in the united states: evidence from quantitative extrapolations”, Applied Financial Economics Letters  4(3): 177 – 182

[53].         Maris, K., Nikolopoulos, K., Giannelos, K. and Assimakopoulos V. (2007) "Options trading driven by volatility directional accuracy”. Applied Economics 39 (2): 253-260.

[54].         Petropoulos, C., Patelis, A., Nikolopoulos, K. and Assimakopoulos, V. (2005). “A technical analysis approach to tourism demand forecasting”, Applied Economics Letters 12 (6): 327-333.

[55].         Maris, K., Pantou, G., Nikolopoulos, K., Pagourtzi, E. and Assimakopoulos, V. (2004). “A study of financial volatility forecasting techniques in the FTSE/ASE 20 index”, Applied Economics Letters 11 (7): 453-457.

 

JOURNAL PUBLICATIONS (MISCELLANEOUS TOPICS)

[56].         Nikolopoulos, K. (2016) “Amplifying the learning effect in Predictive Analytics courses”, Foresight: the international journal of applied forecasting, Invited

[57].         Spirakis, G., Sarantidis, A. & Nikolopoulos, K. (2015). "Τhe Economic contribution of E-Government in the public sector: Evidence from Greece", International Journal of Financial Services Management, forthcoming.

[58].         Spirakis, G., Sarantidis, A. & Nikolopoulos, K. (2014). “Fathoming the introduction of e-Government processes: a qualitative study in Greece”, Journal of Knowledge Management, Economics and Information Technology 4(6): 1-26.

[59].         Spirakis, G., Sarantidis, A. & Nikolopoulos, K. (2014). “On the introduction of e-Government processes in an EU Revenue & Customs department: reluctance to change, tangible benefits and value-for-money investments”, Journal of Knowledge Management, Economics and Information Technology 4(4): 1-17.

[60].         Maris, K., Koutsothymiou, D., Petropoulos, F. Petra, E., Evangelopoulos, P., Assimakopoulos, V. and Nikolopoulos, K. (2013). "A Regression-Based Methodology for Efficiently Building Futures’ Portfolios" Empirical Economics Letters, Vol 12 (2): 231-237.

[61].         Litsa, A., Petropoulos, F. and Nikolopoulos, K. (2012), “Forecasting the success of governmental ‘incentivized’ initiatives: a case study of a new policy promoting the replacement of old household air-conditioners”, Journal of Knowledge Management, Economics and Information Technology 2(1): 1-8.

[62].         Constantinidou, C., Nikolopoulos, K., Bougioukos, N., Tsiafa, E., Petropoulos, F. and Assimakopoulos, V. (2012), “A neural network approach to The Theta model”, Lecture Notes in Information Technology 25: 116-120.

[63].         Evangelopoulos, P, Handrinos, M. and Nikolopoulos, K. (2012) “The Institutional Transformation of British Credit Unions”, Finance  India,  Vol XXVI (2): 489-498.

[64].         Nikolopoulos, K., Thomakos, D.D., Petropoulos, F., Litsa, A. and Assimakopoulos, V. (2012) “Forecasting S&P 500 with the Theta model, International Journal of Financial Economics and Econometrics, Vol. 4(1): 73-78

[65].         Spirakis, G., Spiraki, C., and Nikolopoulos, K. (2010) “The impact of electronic government on democracy: e-democracy through e-participation”, Electronic Government, an International Journal 7 (1): 75-88.

[66].         Savio, N. D., Bozos, K. and Nikolopoulos, K. (2009) “Improving the forecasting function for a Credit Hire operator in the UK”. International Journal of Business Forecasting and Marketing Intelligence 1 (2): 134-138.

[67].         Bougioukos, N., Petropoulos, F., Kapsianis, P., Nikolopoulos, K., Pagourtzi, E., and Assimakopoulos, V. (2008) “Remote access to group expertise: An essential e-operation for SMEs”, International Journal of Management and Enterprise Development 5(6): 619:633

[68].         Petropoulos, F., Pagourtzi, E., Bougioukos, N., Nikolopoulos, K., and Assimakopoulos, V. (2008) “Security Policy Model for an MIS designed for the Defense Sector”, International Journal of Services and Standards 4(4): 407-414.

[69].         Petropoulos, F., Nikolopoulos, K., and Assimakopoulos, V. (2008) “An expert system for forecasting mutual funds in Greece”, International Journal of Electronic Finance 2(4): 404-418.

[70].         Handrinos M. C., Nikolopoulos, K. and Lin, B-S. (2007) “Consumer Access to Credit: the Case of the United Kingdom”, International Journal of Management and Enterprise Development, Vol 4 (1): 18-29.

[71].         Metaxiotis, K., Askounis, D. and Nikolopoulos, K. (2006) “Identifying the Characteristics of Successful Expert Systems: An Empirical Evaluation”, International Journal of Information Technology and Management 5 (1) : 21-36

[72].         Patelis, A., Petropoulos, C., Nikolopoulos, K., Assimakopoulos, V. and Lin, B-S. (2005) “Tourism planning decision support within an e-government framework”, Electronic Government, an International Journal 2 (2): 134-143

[73].         Karagiannopoulos, G., Georgopoulos, N. and Nikolopoulos, K. (2005) "Fathoming Porter's Five Forces model in the Internet era". Info - The journal of policy, regulation and strategy for telecommunications 7(6): 66-76.

[74].         Nikolopoulos, K., Patrikakis, C. Z. and Lin, B-S. (2004). “Forecasting Systems for e-government“, Electronic Government, an International Journal 1 (4): 374-383

[75].         Nikolopoulos, K. and Lin, B-S. (2004). “Business Forecasting Recipes for the new Millennium”, International Journal of Management and Enterprise Development 1 (3): 278-284.

[76].         Pagourtzi, E., Nikolopoulos, and Assimakopoulos, V. (2003) "GFIS (Geographic Forecasting Information System): A case study in water resources management", The GLOBAL NEST: the International Journal 5 (2): 11-18.

[77].         Tavanidou, E., Nikolopoulos, K., Metaxiotis, K. and Assimakopoulos, V. (2003). “FCP: Forecasting Community Portal”, WSEAS Transactions on Computers 2 (4): 955-960.

[78].         Nikolopoulos, K., Maris, K., Tavanidou, E., Metaxiotis, K. and Assimakopoulos, V. (2003). “Supporting Business Decisions through Forecasting: A Case Study in a Greek Tobacco Distribution Company”, Journal of Information & Knowledge Management2 (3): 237-244.

[79].         Nikolopoulos, K., Maris, K., Pantou, G., Metaxiotis, K. and Assimakopoulos, V. (2003). “Forecasting Volatility with the Theta Model”, Empirical Economics Letters2 (6): 216-227.

 

CONFERENCE PROCEEDINGS

[80].         Spirakis, G., Sarantidis, A. & Nikolopoulos, K. (2015). "The Economic contribution of E-Government in the public sector: Evidence from Greece", International Conference on Business & Economics of the Hellenic Open University 2015, February 6-7 2015, Athens, Greece.

[81].         Petropoulos, F., Kourentzes, N. & Nikolopoulos, K. (2014) "Another look at estimators for intermittent demand", 18th International Symposium on Inventories, August 18-22 2014, Budapest, Hungary

[82].         Monokroussos, P., Thomakos, D.D. and Konstantinos Nikolopoulos, K. (2014), “Nowcasting GDP & the role of economic sentiment during the crisis for restoring growth: the case of Greece”, Northeast Decision Sciences Institute, 2014 Annual conference, Philadelphia, Pennsylvania, USA, March 27 - 29 2014.

[83].         Nikolopoulos, K., Syntetos, A.A., Batiz-Lazo, B., (2013), “Forecasting Black (& White) Swans…”, OR55, 3–5 September 2013. The University of Exeter, Exeter, England, United Kingdom. Keynote Presentation for the ‘Forecasting stream’

[84].         Buxton, S.L., Khammash, M., Nikolopoulos, K. and Stern, P. (2013), “Forecasting Pharmaceutical Life Cycles: A Case Study on How Drugs Are Prescribed in the NHS in the UK International DSI 2013”, 12th International Decision Sciences Institute Conference (in conjunction with 18th Asia Pacific DSI Conference), 10-13 July, Bali, Indonesia.

[85].         Bougioukos, V., Nikolopoulos, K. and Chakravarty, S.P. (2013), "Institutional Background on Employee-Employers Negotiations- A Proposal of a Rule-Based System That in the Hands of an Expert Would Help Him/Her to Identify the Space of Possible Outcomes in Bilateral Employees-Employers Negotiations?”, 12th International Decision Sciences Institute Conference (in conjunction with 18th Asia Pacific DSI Conference), 10-13 July, Bali, Indonesia.

[86].         Sarantidis, A., Nikolopoulos, K. and Williams, J. (2013), "Macroeconomic Shocks in the European Union: A case study on the German Banking System”, 12th International Decision Sciences Institute Conference (in conjunction with 18th Asia Pacific DSI Conference), 10-13 July, Bali, Indonesia.

[87].         Jones, B.M., Karami, A. and  Nikolopoulos, K. (2013), “Structured by Rules – Management beyond the hierarchy in Public Sector Networks”, BAM2013 - British Academy of Management 27th Annual Conference, 10-12 September, Liverpool, England, U.K.

[88].         Fotios Petropoulos, F. and Nikolopoulos, K. (2013), “Optimizing Theta model for monthly data”. ICAART 2013, 16-19 February 2013, Barcelona, Spain.

[89].         Jones, B.M., Karami, A. and  Nikolopoulos, K. (2012), “Transactional Leadership in UK Public Sector Networks: a conceptual framework”, BAM2012 - British Academy of Management 26th Annual Conference, 11-13 September, Cardiff Business School, Cardiff, Wales, U.K.

[90].         Miligkos, V.M., Nikolopoulos, K., Miligkos, M.V. and Sambrook, S. (2012) “Why Do Parents Change Their Pediatricians and When Do They Opt for Private-but-expensive Children Hospitals”. Northeast Decision Sciences Institute, 2012 Annual conference, Newport, Rhode Island, USA, March 21 - 23 2012. 

[91].         Nikolopoulos, K., Assimakopoulos, V.,  Bougioukos, N., Litsa , A. and Petropoulos, F. (2011), The Theta model: An essential forecasting tool For Supply Chain planning, Lecture Notes in Electrical Engineering, 2011 International Conference on Automation and Robotics (ICAR2011), December 1-2, 2011, Dubai, UAE.

[92].         Miligkos, V.M., Nikolopoulos, K., Miligkos, M.V. and Sambrook, S. “How do Parents select their Pediatrician? A multiple criteria decision making process”. Northeast Decision Sciences Institute, 2011 Annual conference, Montreal Canada – April 14-16 2011. 

[93].         Qureshi, I.Z., Khammash, M. and Nikolopoulos, K. "Turning artificial neural networks into a marketing science tool: modelling and forecasting the impact of sales promotions”. ICAART 2011, 28-30 January 2011, Rome, Italy.

[94].         Nikolopoulos, K., Syntetos, A., Boylan, J., Petropoulos, F. and Assimakopoulos, V. (2008). “ADIDA: An aggregate/disaggregate approach for intermittent demand forecasting”, 15th International Symposium on Inventories, August 22-26 2008, Budapest, Hungary

[95].         Nikolopoulos, K., Bougioukos, N, Giannelos, K., Assimakopoulos, A. "Estimating the impact of shocks with Artificial Neural Networks". ICANN 2007 International Conference on Artificial Neural Networks, 9-13 September 2007, Porto, Portugal. 

[96].         Handrinos M. C. and Nikolopoulos, K. (2006) “Credit Unions in the United Kingdom”, Proceedings of the MIC'06 – Management International Conference 2006, 23-25 November 2006, Portorož, Slovenia.

[97].         Nikolopoulos, K. and Handrinos M. C. (2006)“Forecasting for Credit Unions in the United States with time series models”, Proceedings of the MIC'06 – Management International Conference 2006, 23-25 November 2006, Portorož, Slovenia.

[98].         Nikolopoulos, K., Stafylarakis, M., Goodwin, P. and Fildes, R. (2006) “Why Do Companies Not Produce Better Forecasts Overtime? An Organisational Learning Approach” Proceedings of the 12th IFAC Symposium on Information Control Problems in Manufacturing, 17-19 May 2006, Saint-Etienne, France.

[99].         Nikolopoulos, K., Fildes, R., Lawrence, M. and Goodwin, P. (2005)“On the accuracy of judgmental interventions on Forecasting Support Systems”. 8th International Conference of the Decision Sciences Institute, Proceedings, pp. 664-670, July 2-5, Barcelona, Spain

[100].      Nikolopoulos, K., Skylaki, S., Skarogiannis, E., Metaxiotis, K. and Assimakopoulos, V. (2005) "Forecasting repairable system failure data using time series models". 8th International Conference of the Decision Sciences Institute, Proceedings, pp. 154-158, July 2-5, Barcelona, Spain. 

[101].      Pagourtzi, E., Nikolopoulos, K. and Assimakopoulos, V. (2005). "A comparative study of Multiple Linear Regression versus Artificial Neural Networks for real estate valuation", ERES 2005 -12th European Real Estate Society Conference, Proceedings, June 15-18, Dublin, Ireland.

[102].      Petropoulos, C. Nikolopoulos, K., Patelis, A., Assimakopoulos, V. and Askounis, D. (2005) "Tourism Technical Analysis System (TTAS): A case study on forecasting German outbound tourists", Theoretical Advances in Tourism Economics TATE2005, March 17-19, 2005, Evora, Portugal. 

[103].      Pagourtzi, E., Nikolopoulos, K. and Assimakopoulos, V. (2004). "Architecture for a real estate analysis information system using GIS techniques integrated with Fuzzy theory", ERES 2004 -11th European Real Estate Society Conference, Proceedings, June 2-5, Milan, Italy. 

[104].      Assimakopoulos, V. and Nikolopoulos, K. (1999). "The Theta Model", Decision Sciences Institute, 5th International Conference, Proceedings, pp. 584-586, July 4-7, Athens, Greece. 

 

BOOK REVIEWS

 [105].      Nikolopoulos, K. and Savio, N (2010). “Entrepreneurship, Growth and public Policy: prelude to a knowledge spillover theory of entrepreneurship, Acks Zoltan”, International Journal of Public Administration 33(4): 210 – 211.

[106].      Nikolopoulos, K. (2005). “Fuzzy Sets in the Management of Uncertainty, Jaime Gil-Aluja”, Interfaces 35 (6): 533-535.

[107].      Nikolopoulos, K. (2005). “Advances in Business and Management Forecasting, Kenneth D. Lawrence, Michael D. Geurts, John G. Guerard Jr. (Editors). JAI Press 2002, Hardcover, 180 pages”, International Journal of Forecasting 21 (2): 395.

[108].      Nikolopoulos, K. (2005). “Neural Networks in Business Forecasting, edited by G. Peter Zhang, Idea Group, Inc. 2003, Hardcover, 310 pages”, International Journal of Forecasting 21 (2): 394-395.

[109].      Nikolopoulos, K. (2005). “Forecasting Volatility in the financial markets, J. Knight, S. Statchell (Eds.), Butterworht-Heinemann, 2002, Hardcover, 420 pages”, International Journal of Forecasting 21 (2): 394.

[110].      Nikolopoulos, K. (2004). “Elicitation of Expert Opinions for Uncertainty and Risks, Bilal M. Ayyub, CRC 2001 Press, 2001, Hardcover, 328 pages”, International Journal of Forecasting 20 (1): 143-144.

[111].      Nikolopoulos, K. (2004). “Introduction to Econometrics, Christopher Dougherty, Oxford University Press 2002, Hardcover, 424 pages”, International Journal of Forecasting 20 (1): 139.

[112].      Nikolopoulos, K. (2003). “Essays in Econometrics. Collected papers of Clive W. J. Granger. Volume I: Spectral analysis, Seasonality, Nonlinearity, Methodology and Forecasting. Volume II: Causality, Integration and Cointegration, and Long Memory, Edited by Eric Ghysels, Norman R. Swanson, and Mark W. Watson, Cambridge University Press, 2001, Paperback. Volume I: 523 pages. Volume II: 378 pages”, International Journal of Forecasting 19 (4): 755-756.

[113].      Nikolopoulos, K. (2003). “Time-Series Forecasting, Chris Chatfield Chapman & Hall/CRC 2001 Press, 2001, Hardcover, 280 pages”, International Journal of Forecasting 19 (4): 754-755.

[114].      Nikolopoulos, K. (2003). “Eliciting and Analyzing Expert Judgment: A practical guide, Mary A. Meyer, Jane M. Booker, ASA-SIAM Series on Statistics and Applied Probability 2001, Hardcover, 459 pages”,  International Journal of Forecasting 19 (3): 530-532.

[115].      Nikolopoulos, K. (2003). “Simplicity, Inference and Modelling: Keeping It Sophisticatedly Simple, Arnold Zellner, Hugo A. Keuzenkamp, Michael McAleer (Editors), Cambridge University Press 2001, Hardcover, 312 pages”, International Journal of Forecasting 19 (2): 333-335.

 

WORKING PAPERS

[116].      Buxton, S., Nikolopoulos, K., Khammash, M., and Stern, P. (2015), “Modelling and Forecasting Branded and Generic Pharmaceutical Life Cycles: Assessment of the Number of Dispensed Units”, BBSWP/15/0004, Bangor Business School Working Paper Series, Bangor University

[117].      Nikolopoulos, K. and Petropoulos, F. (2015), “Forecasting, Foresight and Strategic Planning for Black Swans”, BBSWP/15/0003, Bangor Business School Working Paper Series, Bangor University

[118].      Miligkos, V.M., Miligkos, M.V., Nikolopoulos, K.I., and Sambrook, S. “Pediatrician's Communication skills: essential or complimentary? Mind the gap”, BBSWP/15/0002, Bangor Business School Working Paper Series, Bangor University

[119].      Chakravarty, S., Thomakos, D.D. and Nikolopoulos, K.I. (2014). “Growth, de-regulation and rent-seeking in post-war British Economy”, BBSWP/13/008, Bangor Business School Working Paper Series, Bangor University and Working Paper Series 64_13 - The Rimini Centre for Economic Analysis.

[120].      Thomakos, D.D. & Nikolopoulos, K. (2013). “Forecasting multivariate time series with the Theta Method”, BBSWP/13/004, Bangor Business School Working Paper Series, Bangor University

[121].      Nikolopoulos, K., Syntetos, A., Boylan, J., Petropoulos, F. and Assimakopoulos, V.  (2009). “ADIDA: An aggregate/disaggregate  approach  for  intermittent demand  forecasting”,  University of Salford – Working Paper 330/09

[122].      Thomakos, D. & Nikolopoulos, K. (2009). "The Theta Model in the Presence of a Unit Root Some new results on “optimal” theta forecasts," Working Papers 0034, University of Peloponnese, Department of Economics.

[123].      Maris, K., Koutsothymiou, D., Petropoulos, F. Petra, E., Evangelopoulos, P., Assimakopoulos, V. and Nikolopoulos, K. (2009). "A Regression-Based Methodology For Efficiently Building Futures’ Portfolios," Working Papers 0032, University of Peloponnese, Department of Economics.

[124].      Nikolopoulos, K., Thomakos, D., Petropoulos, F. and Assimakopoulos, V. (2009). "Theta Model Forecasts for Financial Time Series: A Case Study in the S&P500," Working Papers 0033, University of Peloponnese, Department of Economics.

[125].      Handrinos, M. & Nikolopoulos, K. (2008). "The Mutation Of The British Credit Union Movement: A Critical Approach To Its Bankalisation Process," Working Papers 0022, University of Peloponnese, Department of Economics.

[126].      Nikolopoulos, K. (2008). "On the accuracy of judgmental interventions on Statistical Forecasts," Working Papers 0021, University of Peloponnese, Department of Economics. 

[127].      Nikolopoulos, K., Assimakopoulos, V., Bougioukos, N. and Petropoulos, F. (2008). "Advances in the Theta model," Working Papers 0023, University of Peloponnese, Department of Economics.

[128].      Syntetos, A. A., Nikolopoulos, K., Boylan, J. E., Fildes, R., Goodwin, P. (2007) “The effects of integrating management judgement on intermittent demand forecasts” University of Salford – Working Paper 406/07

[129].      Babai, M. Z., Syntetos, A. A., Dallery, Y. & Nikolopoulos, K. (2007) “Continuous review inventory control systems with non-stationary demand and lead time uncertainty: analysis and empirical investigation”. University of Salford – Working Paper 326/07

[130].      Fildes, R., Goodwin, P., Lawrence, M. and Nikolopoulos, K. (2007) “Producing more efficient demand forecasts”. Available at  http://www.lums.lancs.ac.uk/publications/viewpdf/004537/

[131].      Goodwin, P,Fildes, R., Lee, W.Y., Nikolopoulos, K. and Lawrence, M. (2005) “Understanding the use of forecasting systems:an interpretive study in a supply-chain company”. Bath University, School of Management, Working paper 2007.14, available at  http://www.bath.ac.uk/management/research/pdf/2007-14.pdf.

[132].      Lee, W.Y., Goodwin, P,Fildes, R., Nikolopoulos, K. and Lawrence, M. (2005) “Providing support for the use of analogies in demand forecasting tasks”. Bath University, School of Management, Working paper 2005.18, available at  http://www.bath.ac.uk/management/research/pdf/2005-18.pdf.

[133].      Goodwin, P,Fildes, R., Lawrence, M. and Nikolopoulos, K. (2005) “The process of using a Forecasting Support system”. Bath University, School of Management, Working paper 2006.09, available at  http://www.bath.ac.uk/management/research/pdf/2006-09.pdf.

[134].      Nikolopoulos, K., Fildes, R., Lawrence, M. and Goodwin, P. (2005) “On the accuracy of judgmental interventions on Forecasting Support Systems”. Lancaster University Management School, Working paper 2005/022, available at  http://www.lums.lancs.ac.uk/publications/ .

[135].      Nikolopoulos, K. and Assimakopoulos, V. (2005) "Fathoming the Theta model". National technical University of Athens, School of Electrical and Computer Engineering, Working paper 2005/01, available at  http://fsu.ece.ntua.gr/en/thetamodel.html .

 

PUBLICATIONS IN GREEK

[136].      Nikolopoulos, K., (2010). Applied Mathematics for Economists with the use of Computers. 1st Edition, Akadimaiko Academic Pulishers, Tripolis: Greece

[137].      Tasinopoulou, M. and Nikolopoulos, K., (2010). Elements of Algebra, Calculus and Geometry (with Applications in Economics). 2nd Edition, Akadimaiko Academic Pulishers, Tripolis: Greece

[138].      Nikolopoulos, K., (2009). Quantitative Methods with emphasis in Forecasting Techniques (with Applications in Decision Sciences, Finance and Economics). 1st Edition, Akadimaiko Academic Pulishers, Tripolis: Greece

[139].      Tasinopoulou, M. and Nikolopoulos, K., (2009). Elements of Algebra, Calculus and Geometry (with Applications in Economics). 1st Edition, Akadimaiko Academic Pulishers, Tripolis: Greece

[140].      Nikolopoulos, K., (2002). A new Business Forecasting Methodology and Forecasting Support System. (PhD Dissertation). Thomaideio Academic Publishers - National Technical University of Athens Library, Athens: Greece

[141].      Nikolopoulos, K., (1997). Non-Parametric Smoothing Techniques for Time Series Data. (BSc/MSc Dissertation). National Technical University of Athens Library, Athens: Greece

 

CONFERENCE PRESENTATIONS

[142].      Thomakos, D.D. and Nikolopoulos, K. (2015) “ A horse for (almost) every course: forecasting financial time series with the Theta Method”, 9th International Conference on Computational and Financial Econometrics (CFE 2015) Senate House, University of London, 12-14 December 2015, London, England, United. Kingdom.

[143].      Keynote Stream Panel: Rudolf Vetschera, Etiënne Rouwette, Kai Helge Becker, Katsikopoulos Konstantinos, Kostas Nikolopoulos, Raimo Hämäläinen, Alberto Franco (2015). “Behavioural OR: The next 10 years” (2015), 27th European Conference on Operational Research EURO XXVII, July 12-15, 2015, Glasgow, Scotland, United. Kingdom.

[144].      Petropoulos, F., Kourentzes, N. and Nikolopoulos, K.I. (2014). “DIY Forecasting: Judgment, Models and Judgmental Model Selection”, 27th European Conference on Operational Research EURO XXVII, July 12-15, 2015, Glasgow, Scotland, United. Kingdom.

[145].      Nikolopoulos, K. and Phillips, C.J. (2015). “Forecasting for a simultaneous regular and non-regular production planning of multipurpose batch plants: a behavioural operations perspective in a Pharmaceutical company”, 27th European Conference on Operational Research EURO XXVII, July 12-15, 2015, Glasgow, Scotland, United. Kingdom.

[146].      Buxton, S., Khammash, M., Nikolopoulos, K. and Stern, P. (2014) "Forecasting Branded and Generic Pharmaceutical Lifecycles”, 35th International Symposium on Forecasting ISF 2015, June 21-24 2015, Riverside, CA, USA.

[147].      Legaki N.Z., Nikolopoulos, K., Assimakopoulos, V. (2015), “Forecasting eSchool”, 35th International Symposium on Forecasting ISF 2015, June 21-24 2015, Riverside, CA, USA.

[148].      Phillips, C.J. and Nikolopoulos, K. (2015). Reducing variability in a complex process industry", 26th Annual POMS, Production & Operations Management Society annual meeting, May 8-11 2015, Washington D.C., USA.

[149].      Petropoulos, F., Kourentzes, N. and Nikolopoulos, K.I. (2014). “DIY Forecasting: Judgment, Models and Judgmental Model Selection”, INFORMS 2014, INFORMS Annual Meeting San Fransisco 9 -12 2014, USA.

[150].      Legaki N.Z., Raptis A., Nikolopoulos, K., Assimakopoulos, V. (2014), “Prototyping Forecasting e –learning Platform”, 34th International Symposium on Forecasting ISF 2014, June 22-25 2014, Rotterdam, Netherlands.

[151].      Buxton, S., Khammash, M., Stern, P. and Nikolopoulos, K. (2014) "Forecasting Pharmaceutical Lifecycles”, 34th International Symposium on Forecasting ISF 2014, June 22-25 2014, Rotterdam, Netherlands.

[152].      Nikolopoulos, K. & Syntetos, A.A. (2013), “Forecasting Black, Grey & White Swans…”, 2013 DSI Annual Meeting, November 16-19, 2013, Baltimore, Maryland, USA

[153].      Bougioukos, V., Nikolopoulos, K. & Chakravarty, S. (2013),  “A rule-based Decision Support System for identifying the outcome space in bilateral Employees-Employers negotiations”, 2013 DSI Annual Meeting, November 16-19, 2013, Baltimore, Maryland, USA

[154].      Buxton, S., Khammash, M., Stern, P. and Nikolopoulos, K. (2012) "Modelling and Forecasting Pharmaceutical Lifecycles”, OR54, 4–6 September 2012. The University of Edinburgh, Edinburgh, Scotland, United Kingdom.

[155].      Nikolopoulos, K.,  Litsa, A., Asimakopoulos, V., (2012), “Policy Effectiveness Forecasting using Structured Analogies with Delphi and Interaction Groups”, OR54, 4–6 September 2012. The University of Edinburgh, Edinburgh, Scotland, United Kingdom.

[156].      Petropoulos, F. Nikolopoulos, K.,  Litsa, A., Polychronakis, Y., Asimakopoulos, V., (2012), “How difficult is it to forecast worlds’ most successful products? the case of Apple iPhone”, OR54, 4–6 September 2012. The University of Edinburgh, Edinburgh, Scotland, United Kingdom. Keynote Presentation for the ‘Forecasting and Data Mining stream’

[157].      Kastanoulia, M., Assimakopoulos, V. and Nikolopoulos, K. (2012) "Business process reengineering in public sector: forecasting its effectiveness through simulation”, 32nd International Symposium on Forecasting ISF 2012, June 24-27 2012, Boston MA, U.S.A.

[158].      Nikolopoulos, K.,  Litsa, A., Asimakopoulos, V., (2012), “Policy Effectiveness Forecasting using Structured Analogies with Delphi and Interaction Groups”, 32nd International Symposium on Forecasting ISF 2012, June 24-27 2012, Boston MA, U.S.A.

[159].      Bougioukos, V., Chakravarty, S. and Nikolopoulos, K. (2012) “An Institutional Background on Wage Bargaining”, 32nd International Symposium on Forecasting ISF 2012, June 24-27 2012, Boston MA, U.S.A.

[160].      Miligkos, V.M., Miligkos, M.V., Nikolopoulos, K., and Sambrook, S. (2012) “What skills do parents seek when selecting their padiatrician?”. 13th International Conference on Human Resource Development Research and Practice across Europe, Universidade Lusíada De Famalicão, Portugal, 23  –25 May 2012.

[161].      Nikolopoulos, K., Makridakis, S., Assimakopoulos, V., and Syntetos, A. (2011) "The M4 Competition: Facts, Innovations and the way  Forward”, OR53, 6–8 September 2011. Nottingham University, Nottingham. United Kingdom.

[162].      Nikolopoulos, K., Makridakis, S., Assimakopoulos, V., and Syntetos, A. (2011) "The M4 Competition: Facts, Innovations and the way  Forward”, 31st International Symposium on Forecasting ISF 2011, June 26-29 2011, Prague, Czech Republic.

[163].      Bougioukos, V., Chakravarty, S. and Nikolopoulos, K. (2011) “Defining and Forecasting 'Success' in Wage-Bargaining Negotiations among Unions, Employers and Governments”, 31st International Symposium on Forecasting ISF 2011, June 26-29 2011, Prague, Czech Republic.

[164].      Buxton, S., Khammash, M., Stern, P. and Nikolopoulos, K. (2011) "Modelling and Forecasting Pharmaceutical  Lifecycles”, 31st International Symposium on Forecasting ISF 2011, June 26-29 2011, Prague, Czech Republic.

[165].      Litsa, A., Assimakopoulos, V. and Nikolopoulos, K. (2011) " A web-based Information System for supporting local government in policy implementation”, 31st International Symposium on Forecasting ISF 2011, June 26-29 2011, Prague, Czech Republic.

[166].      Kastanoulia, M., Assimakopoulos, V. and Nikolopoulos, K. (2011) "Business process reengineering in public sector: forecasting its effectiveness through simulation”, 31st International Symposium on Forecasting ISF 2011, June 26-29 2011, Prague, Czech Republic.

[167].      Kottaridi, C., Nikolopoulos, K. and Pantelopoulos, G. (2011) "Human Capital, Gender Education and Foreign Direct Investment" 15th International Conference on Macroeconomic Analysis and International Finance, 26-28 May 2011, Rethymno, Crete, Greece

[168].      Savio, N.D. and Nikolopoulos, K. (2010) “Forecasting the Effectiveness of Policy Implementation Strategies through Structured Analogies”, OR52, 7–9 September 2010. Royal Holloway University of London. United Kingdom.

[169].      Petropoulos, F., Nikolopoulos, K., and Assimakopoulos, V. (2010). “A Forecasting Support System for Intermittent Demand Series”, 30th International Symposium on Forecasting ISF 2010, June 20-23 2010, San Diego, California, USA.

[170].      Savio, N.D. and Nikolopoulos, K. (2010) “Forecasting the Effectiveness of Policy Implementation Strategies”, 30th International Symposium on Forecasting ISF 2010, June 20-23 2010, San Diego, California, USA.

[171].      Litsa, A., Nikolopoulos, K. and Assimakopoulos, V. (2010) "Research for the success of Digital Strategy: Group forecasts of Experts”, 30th International Symposium on Forecasting ISF 2010, June 20-23 2010, San Diego, California, USA.

[172].      Makridakis, S., Assimakopoulos, V., Syntetos, A., Thomakos, D. and Nikolopoulos, K. (2010) "Evidence Based Forecasting (and the M4 Competition)”, 30th International Symposium on Forecasting ISF 2010, June 20-23 2010, San Diego, California, USA.

[173].      Syntetos, A., Nikolopoulos, K., Boylan, J. (2009). “Judging the judges through accuracy-implication metrics”, INFORMS 2009, INFORMS Annual Meeting San Diego 2009.

[174].      Syntetos, A., Nikolopoulos, K., Boylan, J. (2009). “Judging the judges through accuracy-implication metrics”, OR51, 8–10 September 2009. University of Warwick. United Kingdom.

[175].      Nikolopoulos, K., Syntetos, A., Boylan, J., Petropoulos, F. and Assimakopoulos, V. (2009). “An Aggregate - Disaggregate Intermittent Demand Approach (ADIDA) to Forecasting: An Empirical Proposition and Analysis”, OR51, 8–10 September 2009. University of Warwick. United Kingdom.

[176].      Savio, N.D. and Nikolopoulos, K. “Forecasting and Planning in the Public Sector”, OR51, 8–10 September 2009. University of Warwick. United Kingdom.

[177].      Xidonas, P., Petropoulos, F., Mavrotas, G., Ntanos, C., Nikolopoulos, K., Askounis, D., Psarras, J. and Assimakopoulos, V. (2009) "An integrated quantitative framework for active equity portfolio engineering", 23rd European Conference on Operational Research, Bonn, Germany, July 5-8, 2009.

[178].      Syntetos, A., Nikolopoulos, K., Boylan, J. (2009). “The Effects of Integrating Management Judgement into Statistical Demand Forecasts”, 29th International Symposium on Forecasting ISF 2009, June 21-24 2009, Hong Kong.

[179].      Nikolopoulos, K., Syntetos, A., Boylan, J., Petropoulos, F. and Assimakopoulos, V. (2009). “ADIDA: An aggregate/disaggregate approach for intermittent demand forecasting”, 29th International Symposium on Forecasting ISF 2009, June 21-24 2009, Hong Kong.

[180].      Savio, N.D. and Nikolopoulos, K. (2009) “Forecasting the Effectiveness of Policy Implementation Strategies”, 29th International Symposium on Forecasting ISF 2009, June 21-24 2009, Hong Kong.

[181].      Litsa, A., Petra, E., Nikolopoulos, K. and Assimakopoulos, V. (2009) " Judgmental forecasting the impact of Digital Planning policies”, 29th International Symposium on Forecasting ISF 2009, June 21-24 2009, Hong Kong.

[182].      Petra, E., Nikolopoulos, K., Evangelopoulos, P. and Assimakopoulos, V. (2009) "Forecasting the Economic Impact of Digital Planning Strategy at national and regional level”, 29th International Symposium on Forecasting ISF 2009, June 21-24 2009, Hong Kong.

[183].      Savio, N. D., Bozos, K. and Nikolopoulos, K. (2008) “Forecasting demand for the Credit Hire Industry in the UK”. 2nd International Conference of Applied Business and Economics, October 2-4 2008, Thessaloniki, Greece.

[184].      Nikolopoulos, K., Syntetos, A., Boylan, J., Petropoulos, F. and Assimakopoulos, V.  (2008). “ADIDA: An aggregate/disaggregate approach  for  intermittent demand  forecasting”,  15th  International  Symposium  on Inventories, August 22-26 2008, Budapest, Hungary.

[185].      Makridakis,  S,  Assimakopoulos,  V.,  Bougioukos,  N., Nikolopoulos,  K.,  Petropoulos,  F.,  Pagourtzi,  E. (2008).  “Pythia: an  intelligent  forecasting  support  system",  28th  International  Symposium  on  Forecasting ISF 2008, June 22-25 2008, Nice, France.

[186].      Yaffee, R.A., Wagoner, K. D.,  Nikolopoulos, K., Reilly, D., Crone, S.F., Douglass, R.J., Mills, J. N., Amman, B. R., Ksiazek, T.G. (2008) “State space Epidemiological Forecasting: A Comparison of three models and their forecasts" Time Series”. 28th  International  Symposium  on  Forecasting ISF 2008, June 22-25 2008, Nice, France.

[187].      Bozos, K., Nikolopoulos, K. and Bougioukos, N (2008). “Forecasting the Value Effect of Seasoned Equity Offering Announcements”, 28th International Symposium on Forecasting ISF 2008, June 22-25 2008, Nice, France.

[188].      Litsa, A., Nikolopoulos, K. and Assimakopoulos, V. (2008) "Forecasting the outcomes of Digital Policies in Greece using structured analogies”, 28th International Symposium on Forecasting ISF 2008, June 22-25 2008, Nice, France.

[189].      Nikolopoulos, K., Crone, S. and Hibon, M. (2008). “The NN3 competition: Results, Conclusions and Implications for automated Artificial Intelligence approaches”, 28th International Symposium on Forecasting ISF 2008, June 22-25 2008, Nice, France.

[190].      Tsiafa, E., Bougioukos, N., Nikolopoulos, K. and Assimakopoulos, V. (2008). “ThetaAI: blending the theta model with Artificial Intelligence heuristics”, 28th International Symposium on Forecasting ISF 2008, June 22-25 2008, Nice, France.

[191].      Petropoulos, F., Nikolopoulos, K. and Assimakopoulos, V.(2008). “Theta-Croston and Croston-Theta: investigating new ideas for intermittent demand forecasting” 28th International Symposium on Forecasting ISF 2008, June 22-25 2008, Nice, France.

[192].      Savio, N. D. and Nikolopoulos, K. “Forecasting the Impact of New Environmental Policies”, 28th International Symposium on Forecasting ISF 2008, June 22-25 2008, Nice, France.

[193].      Crone, S. F. and Nikolopoulos, K. (2007) “Results of the NN3 Neural Network Forecasting Competition”. 27th International Symposium on Forecasting ISF 2007, June 23-27 2007, New York, USA.

[194].      Yaffee, R. A., Reilly, D., Nikolopoulos, K., Crone, S. F., Wagoner, K. D.,  Douglass, R. J., Mills, J. N., Amman, B. R. (2007) “Epidemiological Forecasting: Comparing the Forecast Accuracies of Different Forecasting Methods on a "Difficult" Time Series”. 27th International Symposium on Forecasting ISF 2007, June 23-27 2007, New York, USA.

[195].      Nikolopoulos, K., Bougioukos, N., Yaffee, R. A., Assimakopoulos, V.  (2007) “Applying the Theta model to Epidemiological data: CDC Long-Term Study of Hantavirus Reservoir Populations in US”. 27th International Symposium on Forecasting ISF 2007, June 23-27 2007, New York, USA.

[196].      Bougioukos, N., Nikolopoulos, K., Assimakopoulos, V. (2007) “Combining the Theta Model with Artificial Inteligence”. 27th International Symposium on Forecasting ISF 2007, June 23-27 2007, New York, USA.

[197].      Nikolopoulos, K., Syntetos, A. A., Babai, M. Z. (2007) “A new intermittent demand approach via combining Croston’s method and the Theta model”, 22nd European Conference on Operational Research EURO XXII, July 8-11, 2007, Prague, Czech Republic

[198].      Petropoulos, F., Nikolopoulos, K., Assimakopoulos, V., Pagourtzi, E., Bougioukos, N.   (2007). “Optimizing the Theta model for the T-Competition data”, 22nd European Conference on Operational Research EURO XXII, July 8-11, 2007, Prague, Czech Republic

[199].      Petropoulos, F., Nikolopoulos, K., Bougioukos, N., Pagourtzi, E.,. Assimakopoulos, V., (2007). On the Quest of a Batch-time-series Forecasting Benchmark", INFORMS annual conference, November 4-7, 2007, Seattle, USA. 

[200].      Fildes, R., Goodwin, P. andNikolopoulos, K. (2006) “Systematic Errors in Forecasting SKU data”. 26th International Symposium on Forecasting ISF 2006, June 11-14, 2006, Santander, Spain.

[201].      Goodwin, P., Fildes, R., Nikolopoulos, K., Lee, W. Y. and Lawrence, M. (2006)“Restrictiveness and Guidance in Forecasting Support Systems”. 26th International Symposium on Forecasting ISF 2006, June 11-14, 2006, Santander, Spain.

[202].      Lee, W. Y.,Goodwin, P., Fildes, R., Nikolopoulos, K.and Lawrence, M. (2006) “Providing reliability information and interaction facilities in a forecasting support system”. 26th International Symposium on Forecasting ISF 2006, June 11-14, 2006, Santander, Spain.

[203].      Nikolopoulos, K., Fildes, R., Upton, L., Goodwin, P. and Lee, W. Y. (2006) “The impact of weather in the short-term forecasting of SKUs”. 26th International Symposium on Forecasting ISF 2006, June 11-14, 2006, Santander, Spain.

[204].      Crone, S. F. andNikolopoulos, K. (2006) “Automatic Modelling and Forecasting with Neural Networks – A forecasting competition evaluation”. 26th International Symposium on Forecasting ISF 2006, June 11-14, 2006, Santander, Spain.

[205].      Syntetos, A., Nikolopoulos, K., Boylan, J., Fildes, R. and Goodwin, P. (2006). “Forecast Support Systems (FSS) for Intermittent Demand Items”, 14th International Symposium on Inventories, August 21-25 2006, Budapest, Hungary

[206].      Nikolopoulos, K. (2006)"Forecasting the impact of special events with quantitative methods" INFORMS annual conference, November 5-8, 2006, Pittsburgh, USA.

[207].      Syntetos, A., Nikolopoulos, K., Boylan, J., Fildes, R. and Goodwin, P. (2006). “Forecast Support Systems for Intermittent Demand Items”, INFORMS annual conference, November 5-8, 2006, Pittsburgh, USA

[208].      Nikolopoulos, K., Fildes, R., Lawrence, M., Goodwin, P. and Lee, W. Y. (2005)“Forecasting SKU data: results from 3 U.K. companies”, 25th International Symposium on Forecasting ISF 2005, June 12-15, 2005, San Antonio, USA. 

[209].      Lee, W. Y., Goodwin, P., Lawrence, M., Fildes, R. and Nikolopoulos, K. (2005)Using analogies to forecast promotion effects”. 25th International Symposium on Forecasting ISF 2005, June 12-15, 2005, San Antonio, USA.

[210].      Goodwin, P., Lee, W. Y., Nikolopoulos, K., Fildes, R., Asimakopoulos, S. and Lawrence, M. (2005)An Interpretive Study of the Use of Forecasting Software in a UK Supply Chain Company”. 25th International Symposium on Forecasting ISF 2005, June 12-15, 2005, San Antonio, USA.

[211].      Asimakopoulos, S., Fildes, R. and Nikolopoulos, K. (2005)“A Comparison of Software Designers and Users Perceptions of the Development and Use of Forecasting Software in UK”. 25th International Symposium on Forecasting ISF 2005, June 12-15, 2005, San Antonio, USA.

[212].      Nikolopoulos, K. (2005)“Combining RBF with Theta model in order to improve non-seasonal forecasts” (Panel Discussion). 25th International Symposium on Forecasting ISF 2005, June 12-15, 2005, San Antonio, USA. 

[213].      Skarogiannis, E., Skylaki, S., Nikolopoulos, K. and Assimakopoulos, V. (2005) "Extrapolating trends by hand". 25th International Symposium on Forecasting ISF 2005, June 12-15, 2005, San Antonio, USA. 

[214].      Nikolopoulos, K. and Assimakopoulos, V. (2005) "Theta model: decomposition approach or just SES with drift?". 25th International Symposium on Forecasting ISF 2005, June 12-15, 2005, San Antonio, USA. 

[215].      Goodwin, P., Fildes, R. and Nikolopoulos, K. (2005)Improving Short-Term Forecasting In Supply Chain Companies”. Western OR Discussion Society (WORDS) Meeting, October 24, 2005, Bristol, United Kingdom.

[216].      Nikolopoulos, K., Fildes, R., Goodwin, P. (2005)“Forecasting SKU data”. INFORMS annual conference, November 13-16, 2005, San Fransisco, USA. 

[217].      Nikolopoulos, K., Fildes, R. and Goodwin, P. (2004). "Analysis of company sales data", International Symposium on Forecasting ISF 2004, July 4-7, Sydney, Australia. 

[218].      Nikolopoulos, K. and Assimakopoulos, V. (2004). "Generalizing the Theta Model", International Symposium on Forecasting ISF 2004, July 4-7, Sydney, Australia. 

[219].      Fildes, R. and Nikolopoulos, K. (2004). "Sales Forecasting Support Systems (FSS) for the Supply Chain", OR46, September 7-9, 2004, York, England. 

[220].      Pagourtzi, E., Nikolopoulos, K. and Assimakopoulos, V. (2003). "GFIS (Geographic Forecasting Information System): A case study in water resources management", 8th Conference on Environmental Science and Technology, September 8-10 2003, Lemnos Greece. 

[221].      Tavanidou, E., Nikolopoulos, K., Metaxiotis, K. and Assimakopoulos, V. (2003).  “FCP: Forecasting Community Portal”, 3rd WSEAS Int. Conf. On Applied Informatics and Communications (AIC’03), November 15-17, Rhodes Island, Greece. 

[222].      Assimakopoulos, V. and Nikolopoulos, K. (2001). "Theta Intelligent Forecasting Information System", International Symposium on Forecasting ISF 2001, June 17-20, Callaway Gardens, Atlanta Georgia U.S.A. 

[223].      Assimakopoulos, V., Petropoulos, C. and Nikolopoulos, K. (2001). "Forecasting International Tourist Flows into Hungary", Millennium Conference, September 13-15, Miskolc-Lilafured, Hungary.